
public class Program {

	public static void main(String[] args) {
		Car car = new Car();
		car.carId="湘A1001B";
		car.start();
		car.accelerate();
		car.accelerate();
		car.trun(90);
		car.move(15);
		car.trun(-90);
		car.move(15);
		car.stop();
		car.accelerate();
	}

}
